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  • Mardo
    Bimmer Rookie
    • Oct 2007
    • 60

    Q: How much?

    How much boost/HP can M5 stock s38b36 engine take?
    Question should not be hard to answer i think
    Engine is repaired fully!!! and stock.

    Cheers!!
  • Mumtsi
    Bimmer Fanatic
    • Nov 2008
    • 282
    • Kotka

    #2
    315HP @ 6900rpm and 360Nm @ 4750rpm
    - Isi mikä toi on?
    - Jonkinmoinen auto jolla pääsee helvetin kovaa..

    Comment

    • Pekkiz
      Bimmer Fanatic
      • Nov 2005
      • 341
      • Helsinki

      #3
      Hän kysyi myös siis ahtoja
      F36 ///M-Sport

      Comment

      • unitron
        Bimmer Fanatic
        • Oct 2004
        • 265
        • Naantali

        #4
        Niin kysymys oli että kuinka paljon ahtoja s38b36 kestää vakiona.
        -Turku Connection-
        E39 525ia
        Ex: E39 523i
        Ex: E34 530i M-Sport
        Ex: E34 525i Touring
        Ex: E60 530i
        Ex: E39 523i
        Ex: E30 316
        Ex: E28 520i

        Comment

        • Mardo
          Bimmer Rookie
          • Oct 2007
          • 60

          #5
          Yes, im building one turbo s38b36 engine and need to know where is
          this critical point where this engine can't handle the boost.

          has anyone links of 600-800hp stock turbo s38b36 engine threads.

          Comment

          • Carbonfiber
            Bimmer Enthusiast
            • Oct 2005
            • 5224
            • Hki 43

            #6
            Originally posted by Mardo View Post
            has anyone links of 600-800hp stock turbo s38b36 engine threads.
            I think no one has.
            Mercedes-Benz C300eT Business AMG '23 CO2 13g/km | 275Nm/litre
            Z3 Roadster 2.8 '98
            isoäidin yk-bemari CO2 225 g/km | 98Nm/litre
            ALPINA B10 V8 Touring #152 '99 CO2 320 g/km | 104Nm/litre
            Land Rover Discovery Series II V8i '01 CO2 397 g/km | 86Nm/litre
            Porsche 911 Turbo '01 CO2 309 g/km | 156Nm/litre



            - BTCF Kotileipojat = Kovat kokkaa - / Long live VaasaConnection & Team -Helsingby Tallit-

            Comment

            • Jonsku
              Bimmer Enthusiast
              • Sep 2002
              • 4647
              • Tuusula

              #7
              Originally posted by Mardo View Post
              Yes, im building one turbo s38b36 engine and need to know where is
              this critical point where this engine can't handle the boost.

              has anyone links of 600-800hp stock turbo s38b36 engine threads.
              It has quite a high CR as stock so it cant' take "any" boost stock.

              You need to lower the CR, and when you're at it you should change pistons at the same time to get all out of it.

              Check www.pure-pf.com / forum / projekt. Lots of turboed S38's there
              ex. 3 x E34 M5 3.8 (Daytonaviolet, Avusblau, Diamantschwarz)
              ex. E30 V8 M-Tech 2 Cabrio "Kylpyamme"
              ex. Alpina D10 Touring #33/94
              ... and many more

              Comment

              • Mardo
                Bimmer Rookie
                • Oct 2007
                • 60

                #8
                stock CR is 10, this should not be problem, there is only no room for making mistakes! with lowered CR is it only safer to owerload.

                some timeago here was a 650hv project tahat used stock parts.
                and then it was sold.....no-one knows where

                Comment

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